A Trusted Multi-Task Distribution Mechanism for Internet of Vehicles Based on Smart Contract

【Author】 Li, Xujie; Xu, Yuan; Tang, Jing; Sun, Ying; Fan, Shaoshuai; Shen, Fei

【Source】CHINA COMMUNICATIONS

【影响因子】3.170

【Abstract】In this paper, a trusted multi-task distri-bution mechanism for Internet of Vehicles based on smart contract is proposed to improve the security and efficiency for the task distribution in Internet of Vehi-cles. Firstly, a three-tier trusted multi-task distribution framework is presented based on smart contract. The smart contract will be triggered by the task request. As the important part of the smart contract, the task distribution algorithm is stored on the blockchain and run automatically. In the process of the task distribu-tion, the cost of the task distribution and the system stability play a critical role. Therefore, the task dis-tribution problem is formulated to minimize the cost of the task distribution whilst maintaining the stability of the system based on Lyapunov theorem. Unfortu-nately, this problem is a mixed integer nonlinear pro-gramming problem with NP-hard characteristics. To tackle this, the optimization problem is decomposed into two sub problems of computing resource alloca-tion and task distribution decision, and an effective task distribution algorithm is proposed. Simulation re-sults show that the proposed algorithm can effectively improves system performance.

【Keywords】task distribution; resource allocation; Lya-punov optimization; smart contract

【发表时间】2023 APR

【收录时间】2023-05-20

【文献类型】实验仿真

【主题类别】

区块链应用-实体经济-车联网